package com.cn.wanxi.servlet.user;

import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.ResultModel;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.UserService;
import com.cn.wanxi.service.impl.UserServiceImpl;
import com.cn.wanxi.util.Tool;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/back/user/findById")
public class UserFindByIdServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        0.乱码处理
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
//        1.得到前端的数据
        String id = req.getParameter("id");
//        2.封装对象
        UserModel model = new UserModel();
        model.setId(Tool.strToInt(id));
//        3.调用服务逻辑层

        UserService userService = new UserServiceImpl();
//        4.得到服务逻辑层的返回结果
        ResultModel resultModel = userService.findById(model);
//        5.将结果返回给前端
        resp.getWriter().println(JSONObject.toJSONString(resultModel));
    }
}
